Inspection Procedure
WARNING: This page is about a different car, the 2006 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CAN BUS LINE FOR DISCONNECTION (SKID CONTROL ECU SUB BUS LINE)
- Turn the ignition switch to the LOCK position.
- Disconnect the skid control ECU connector (S28).
- Measure the resistance according to the value(s) in CONNECTOR TERMINAL RESISTANCE SPECIFICATION .
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard:
CONNECTOR TERMINAL RESISTANCE SPECIFICATIONTester connection Condition Specified value S28-11 (CANH) - S28-25 (CANL) - IG switch OFF
- Stop light switch OFF
54 to 69 Ω
NG: REPAIR OR REPLACE SKID CONTROL ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)
OK: GO TO NEXT STEP.
- CHECK WIRE HARNESS (IG, GND2)
- Measure the resistance according to the value(s) in CONNECTOR TERMINAL RESISTANCE SPECIFICATION .
Standard:
CONNECTOR TERMINAL RESISTANCE SPECIFICATIONTester connection Condition Specified value S28-32 (GND2) - Body ground Always Below 1 Ω - Measure the voltage according to the value(s) in CONNECTOR TERMINAL VOLTAGE SPECIFICATION .
Standard:
CONNECTOR TERMINAL VOLTAGE SPECIFICATIONTester connection Condition Specified value S28-46 (IG1) - Body ground IG switch ON 10 to 14 V
NG: REPAIR OR REPLACE WIRE HARNESS OR CONNECTOR
OK: REPLACE MASTER CYLINDER SOLENOID (SEE OVERHAUL )
- Measure the resistance according to the value(s) in CONNECTOR TERMINAL RESISTANCE SPECIFICATION .